Math

QuestionSolve 3x+6y=243x + 6y = 24 and 243x=6y24 - 3x = 6y for xx. Also, solve 6y=243x6y = 24 - 3x for yy and 246y=3r24 - 6y = 3r for xx in terms of yy. Find both answers.

Studdy Solution

STEP 1

Assumptions1. The equations are linear equations in two variables, xx and yy. . The coefficients of xx and yy are real numbers.
3. The equations are given in the form ax+by=cax + by = c, cax=byc - ax = by, by=caxby = c - ax, and cby=axc - by = ax respectively.

STEP 2

First, we solve the equation x+6y=24x +6y =24 for xx. We can do this by subtracting 6y6y from both sides and then dividing by $$.
x=(246y)/x = (24 -6y) /

STEP 3

Now, plug in the given values to calculate xx.
x=(246y)/3x = (24 -6y) /3

STEP 4

implify the expression to find xx in terms of yy.
x=82yx =8 -2y

STEP 5

Next, we solve the equation 243x=y24 -3x =y for xx. We can do this by subtracting 2424 from both sides, dividing by 3-3, and then simplifying.
x=(24y)/3x = (24 -y) /3

STEP 6

Now, plug in the given values to calculate xx.
x=(246y)/3x = (24 -6y) /3

STEP 7

implify the expression to find xx in terms of yy.
x=2yx = -2y

STEP 8

Next, we solve the equation 6y=243x6y =24 -3x for yy. We can do this by subtracting 2424 from both sides, dividing by 66, and then simplifying.
y=(243x)/6y = (24 -3x) /6

STEP 9

Now, plug in the given values to calculate yy.
y=(243x)/6y = (24 -3x) /6

STEP 10

implify the expression to find yy in terms of xx.
y=40.5xy =4 -0.5x

STEP 11

Finally, the equation 246y=3x24 -6y =3x does not match the pattern of the other equations. It is not possible to solve this equation for xx in terms of yy because the variable rr is present instead of xx.
The "both" answers are x=8yx =8 -y and y=40.5xy =4 -0.5x.

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